21303410494 has 8 divisors (see below), whose sum is σ = 32185009080. Its totient is φ = 10575074136.

The previous prime is 21303410483. The next prime is 21303410503. The reversal of 21303410494 is 49401430312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38315209 + ... + 38315764.

It is an arithmetic number, because the mean of its divisors is an integer number (4023126135).

Almost surely, 2^21303410494 is an apocalyptic number.

21303410494 is a deficient number, since it is larger than the sum of its proper divisors (10881598586).

21303410494 is a wasteful number, since it uses less digits than its factorization.

21303410494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76631114.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 21303410494 in words is "twenty-one billion, three hundred three million, four hundred ten thousand, four hundred ninety-four".